Answer:
Malignant.
Step-by-step explanation:
Cancer my be defined as the unconditional growth of the cell that can cause disease in the organism. Two main types of tumor are the malignant tumor and benign tumor.
Malignant tumor may be defined as the tumor that can spread in the body through blood in the body. The malignant tumor are not restricted at the specific site and spreads the tumor all over the body. Malignant tumor are more dangerous than benign tumor.
Thus, the correct answer is option (2).